1 /* 2 * Copyright (C) 2014 Invensense, Inc. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ANDROID_MPL_SUPPORT_H 18 #define ANDROID_MPL_SUPPORT_H 19 20 #include <stdint.h> 21 22 int inv_read_data(char *fname, long *data); 23 int read_attribute_sensor(int fd, char* data, unsigned int size); 24 int enable_sysfs_sensor(int fd, int en); 25 int write_attribute_sensor(int fd, long data); 26 int write_attribute_sensor_continuous(int fd, long data); 27 int read_sysfs_int64(char*, int64_t*); 28 int read_sysfs_int(char*, int*); 29 int write_sysfs_int(char*, int); 30 int write_sysfs_longlong(char*, long long); 31 int fill_dev_full_name_by_prefix(const char* dev_prefix, 32 char* dev_full_name, int len); 33 void dump_dmp_img(const char *out_file); 34 int read_sysfs_dir(bool fileMode, char *sysfs_path); 35 36 void convert_long_to_hex_char(long* quat, unsigned char* hex, int numElement); 37 int inv_float_to_q16(float *fdata, long *ldata); 38 int inv_long_to_q16(long *fdata, long *ldata); 39 int inv_float_to_round(float *fdata, long *ldata); 40 int inv_float_to_round2(float *fdata, short *sdata); 41 int inv_long_to_float(long *ldata, float *fdata); 42 43 #endif // ANDROID_MPL_SUPPORT_H 44